package Java高级day07网络编程.TCP和UDP协议;

import org.junit.Test;

import java.io.*;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;

/**
 * Created with IntelliJ IDEA.
 *
 * @author shkstart
 * @company 尚硅谷实习谷粉
 * @date 2022-01-16 10:45
 * @Description:
 * @name 李铭洋
 *
 * 实现TCP的网络编程
 * 例题2：客户端发送文件给服务端，服务端将文件保存在本地。
 *
 **/
public class TCPTest2 {

    @Test
    public void client(){

        Socket socket= null;
        OutputStream os = null;
        FileInputStream fis= null;
        try {
            socket = new Socket(InetAddress.getByName("127.0.0.1"),9090);

            os = socket.getOutputStream();

            fis = new FileInputStream(new File("beauty.jpg"));

            byte[] buffer=new byte[1024];
            int len;
            while ((len=fis.read(buffer))!=-1)
            {
                os.write(buffer,0,len);
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if(fis!=null)
            {
                try {
                    fis.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (os!=null)
            {
                try {
                    os.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (socket!=null)
            {
                try {
                    socket.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }

    @Test
    public void server(){

        ServerSocket ss = null;
        Socket socket = null;
        InputStream is = null;
        FileOutputStream fos= null;
        try {
            ss = new ServerSocket(9090);

            socket = ss.accept();

            is = socket.getInputStream();

            fos = new FileOutputStream(new File("beauty1.jpg"));

            byte[] buffer=new byte[1024];
            int len;
            while ((len=is.read(buffer))!=-1)
            {
                fos.write(buffer,0,len);
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (fos!=null)
            {
                try {
                    fos.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (is!=null)
            {
                try {
                    is.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (socket!=null)
            {
                try {
                    socket.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (ss!=null)
            {
                try {
                    ss.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }




    }
}
